Now showing items 1-10 of 61
Completeness of integrated Information Sources
For many information domains there are numerous World Wide Web data sources. The sources vary both in their extension and their intension: They represent different real-world entities with possible overlap and provide ...
ULF-Ware – An Open Framework for Integrated Tools for ITU-T Languages
Model driven engineering is a popular attempt to deal with the complexity of modern software systems. For the telecommunication sector a model driven approach means that you have to handle half a dozen ITU-T modelling ...
A Code Generation Metamodel for ULF-Ware
Generating Code for SDL and Interfacing with the Runtime Library
Models can be used in many stages of many different processes, but in software engineering, the ultimate purpose of modelling is often code generation. While code can be generated from any model, we propose to use an ...
DogmatiX Tracks down Duplicates in XML
Duplicate detection is the problem of detecting different entries in a data source representing the same real-world entity. While research abounds in the realm of duplicate detection in relational data, there is yet little ...
Declarative Data Fusion
Syntax, Semantics, and Implementation
In today's integrating information systems data fusion, i.e., the merging of multiple tuples about the same real-world object into a single tuple, is left to ETL tools and other specialized software. While much attention ...
A Metamodel for SDL-2000 in the Context of Metamodelling ULF
Today the syntax of many languages is defined by using context-free grammars. These syntax definitions suffer from a major drawback: grammars do not allow the definition of abstract, reusable concept definitions. Especially ...